Improvement in fasteners for the meeting-rails of sashes



UNITED STATES PATENT OFFICE.

GEORGE EDWARDS, OERROMPTON ROAD, SOUTH KENSINGTON, ENGLAND.

vIMPROVEMENT IN FASTENERS FOR THE MEETING-RAILS OF SASH-ES.

Specification forming part of Letters PatentvNo. 177,485, dated May 16, 1876; application filed Maren 27, 1876. Y

To all whom it may concern:

Be it known that I, GEORGE EDWARDS, of Brompton Road, South Kensington, in the county of Middlesex, England, have invented a new and Improved Sash-Fastener 5 and I do hereby declare that the following is a full, clear, and exact description of the same,'ref erence being had to the accompanying drawing, forming part'of this specification.

My invention relates to a simple and effective fastener for sliding'window-sashes, applicable also to cupboards, tables, and the like. lt consists in an improvement in that class of fasteners which are selflocking, which improvement serves to facilitate the disengagement of the devices previous to moving the sashes, the Said fastener being also provided With means for drawing together the adjacent edges of the two sashes, to prevent rattling and exclude drafts, -as will be hereinafter more fully described and definitely claimed.

In order that my invention lnay be readily understoo'd I have represented the fastener in the accompanying drawings in different positions as applied to a Window.

Figure l is across-section of the meetingbars, showing the fastener partly in elevation and partly in section; and Fig. 2 is a pla-n view of same. In these two views the fastvener is shown in the locked position, while Fig-.3 shows the fastener released and held 'back by a spring for opening the window.

a is a metal case or socket, with side anges, by which it is screwed to the meeting-rail b of the lower sash, Within this case a, springbolt c c is fitted to slide, the said bolt terminating at one end in a 'T-shaped cross-head,

d, which projects from the end of case a over the meeting-bar e of the upper sash, so as to Astrike against and engage With a pair of catches, ff, rising from a plate, g, Xed to themeeting-rail e. h is a spiral spring upon the bolt, compressed between a shoulder therefrom case a, and has a knob, by pressing which the bolt may be forced inward to disengage the cross-head from the catches f. The cross-head is of such a shape that on striking catches f itlwill readily slide over them, lis a spring fixed to plate g and curved upward, so thatits free. end will engage with a notch,j, in the under side of the bolt '.When the latter is pushed inward, in order to hold the cross-head free ot' the catchesfand allow of the sash being raised. I prefer the part c of the bolt to be of square or other angular form, and to slide through a hole of corresponding form in the end of'oase a, to prevent the bolt turning in the case, and the part c to be of cylindrical form and screw-threaded, with a milled nut, l, upon it. 'By screwing the latter along the bolt until it is up against case a, as in dotted lines, Figs. l and 2, the

two sashes may be drawn firmly together, so as to close the crack as wellas lock the springbolt c 'c' against attempts to tamper with the Same from the outside.

Having thus described my invention, what I claim as new is l. The combination, with the spring-bolt c c and Vthe catches j', of a spring, t', adapted to engage a notch upon vthe under side ot' the spring-bolt, Substantially as and for the purpose described. Y

2. The combination, with the spring-bolt 0 c', having oros head d, engaging With catches f, as described, o qahe nut l, Working upon a screw-threaded part of said bolt, for thc purpose described.

The above specication of my invention signed by me this 15th day ot January, 1876.

GEORGE EDWARDS.

u Witnesses: v WM. CLARK,

ALRT. L. EVANS. 

